For sale is a brand new in boxAprilAire 700M Whole-House Humidifier, Manual Fan Powered Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,300 Sq. Ft., WhiteI bought this a little over a year ago and wound up going to a different type of duct humidifier system. Price is firm. Everything is brand new and never installed.